Home / 11,554.56-15,945.29-6,519.85

Finding the Fourth Proportional to 11,554.56, 15,945.29 and 6,519.85

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Solution

The fourth proportional to 11,554.56, 15,945.29 and 6,519.85 is: 8,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.56 : 15,945.29 = 6,519.85 : x
  2. Step 2: Convert to fraction form
    11,554.56/15,945.29 = 6,519.85/x
  3. Step 3: Cross multiply
    11,554.56x = 15,945.29 × 6,519.85
  4. Step 4: Simplify right side
    11,554.56x = 103,960,835.58
  5. Step 5: Solve for x
    x = 103,960,835.58/11,554.56
  6. Step 6: Final answer
    x = 8,997.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.